Abstract
The catalytic, corrosion and sintering properties of Pt/C and Pt 3Ni1/C catalysts are evaluated using an accelerated durability test (ADT). The catalytic activity and dissolution rate of Ni from a Pt3Ni1/C alloy catalyst are estimated in the same time domain. A strong correlation exists between the amount of Ni dissolved and the oxygen reduction activity of the catalyst. To compare the sintering resistance of both the Pt/C and Pt3Ni1/C catalyst, the particle size of the catalysts before and after the ADT is measured by using transmission electron microscopy. The Pt3Ni1/C alloy, due to anchor effects in its structure, shows high sintering resistance.
| Original language | English |
|---|---|
| Pages (from-to) | 795-799 |
| Number of pages | 5 |
| Journal | Electrochemistry Communications |
| Volume | 6 |
| Issue number | 8 |
| DOIs | |
| Publication status | Published - 2004 Aug 1 |
All Science Journal Classification (ASJC) codes
- Electrochemistry
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Colón-Mercado, H. R., Kim, H., & Popov, B. N. (2004). Durability study of Pt3Ni1 catalysts as cathode in PEM fuel cells. Electrochemistry Communications, 6(8), 795-799. https://doi.org/10.1016/j.elecom.2004.05.028